Rotary mining bit



FIG. 1 is a top plan view of a rotary mining bit illustrating one embodiment of the invention;

FIG. 2 is a side elevational view of the rotary mining bit of FIG. 1, the opposite side being a mirror image;

FIG. 3 is another side elevational view of the rotary mining bit as rotated 90° clockwise from FIGS. 1 and 2 thereof, the opposite side being a mirror image; and,

FIG. 4 is a perspective view of the rotary mining bit of FIG. 1.

The representation of the fragmentary mounting base of the mining bit shown in phantom lines is for environmental purposes only and non-limiting upon the scope of the invention. 

The ornamental design for a rotary mining bit, as shown and described. 